The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 12, 1990
Filed:
Aug. 15, 1988
Applicant:
Inventor:
Walter T Hogg, Mississauga, CA;
Assignee:
Molson Breweries, Toronto, CA;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G01N / ;
U.S. Cl.
CPC ...
7386483 ; 7386373 ; 7386484 ; 73 6110 ; 73 2335 ;
Abstract
A liquid sampling valve for a gas chromatographic analyzer (GCA) has a sampling stem. The stem is substantially cylindrical and has on its surface a sample collecting groove. The stem is movable from a first position in which the groove is in communication with the liquid to be analyzed for collection of same, to a second position in which the liquid collected in the groove is deposited in the GCA for analysis. The stem is also movable to a third position in which the groove is in communication with a cleaning solution capable of cleaning residues, which are left by said liquid to be analyzed, in the groove.